nsXULAlertAccessible.cpp

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- *//* ***** BEGIN LICENSE BLOCK ***** * Version: MPL 1.1/GPL 2.0/LGPL 2.1 * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is mozilla.org code. * * The Initial Developer of the Original Code is IBM Corporation * Portions created by the Initial Developer are Copyright (C) 2005 * the Initial Developer. All Rights Reserved. * * Contributor(s): * Author: Aaron Leventhal (aleventh@us.ibm.com) * * Alternatively, the contents of this file may be used under the terms of * either of the GNU General Public License Version 2 or later (the "GPL"), * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), * in which case the provisions of the GPL or the LGPL are applicable instead * of those above. If you wish to allow use of your version of this file only * under the terms of either the GPL or the LGPL, and not to allow others to * use your version of this file under the terms of the MPL, indicate your * decision by deleting the provisions above and replace them with the notice * and other provisions required by the GPL or the LGPL. If you do not delete * the provisions above, a recipient may use your version of this file under * the terms of any one of the MPL, the GPL or the LGPL. * * ***** END LICENSE BLOCK ***** */#include "nsXULAlertAccessible.h"// ------------------------ Alert -----------------------------
NS_IMPL_ISUPPORTS_INHERITED0(nsXULAlertAccessible, nsAccessible)
nsXULAlertAccessible::nsXULAlertAccessible(nsIDOMNode* aNode, nsIWeakReference* aShell) :
nsAccessibleWrap(aNode, aShell)
{
}
NS_IMETHODIMP nsXULAlertAccessible::GetRole(PRUint32 *aRole)
{
*aRole = ROLE_ALERT;
return NS_OK;
}
NS_IMETHODIMP nsXULAlertAccessible::GetState(PRUint32 *aState)
{
nsAccessible::GetState(aState);
*aState &= ~STATE_FOCUSABLE;
*aState |= STATE_ALERT_MEDIUM; // XUL has no markup for low, medium or highreturn NS_OK;
}
#if 0// We don't need this, but the AT will need to read all of the alert's children// when it receives EVENT_ALERT on a ROLE_ALERT
NS_IMETHODIMP nsXULAlertAccessible::GetName(nsAString &aName)
{
nsCOMPtr<nsIPresShell> presShell(do_QueryReferent(mWeakShell));
if (!presShell) {
return NS_ERROR_FAILURE; // Node already shut down
}
nsCOMPtr<nsIContent> content(do_QueryInterface(mDOMNode));
NS_ASSERTION(content, "Should not be null if we still have a presShell");
nsCOMPtr<nsIBindingManager> bindingManager = presShell->GetDocument()->BindingManager();
if (!bindingManager) {
return NS_OK;
}
nsCOMPtr<nsIDOMNodeList> siblingList;
bindingManager->GetXBLChildNodesFor(content, getter_AddRefs(siblingList)); // returns null if no anon nodesif (siblingList) {
PRUint32 length, count;
siblingList->GetLength(&length);
for (count = 0; count < length; count ++) {
nsCOMPtr<nsIDOMNode> domNode;
siblingList->Item(count, getter_AddRefs(domNode));
nsCOMPtr<nsIDOMXULLabeledControlElement> labeledEl(do_QueryInterface(domNode));
if (labeledEl) {
nsAutoString label;
labeledEl->GetLabel(label);
aName += NS_LITERAL_STRING(" ") + label + NS_LITERAL_STRING(" ");
}
else {
nsCOMPtr<nsIContent> content(do_QueryInterface(domNode));
if (content) {
AppendFlatStringFromSubtree(content, &aName);
}
}
}
}
else {
AppendFlatStringFromSubtree(content, &aName);
}
return NS_OK;
}
#endif